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4. Intangible Assets, Goodwill and Other (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Goodwill [Line Items] |  |
Goodwill | $ 531,600,000 us-gaap_GoodwillGross | $ 528,600,000 us-gaap_GoodwillGross
Accumulated impairment loss | (28,200,000)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | (28,200,000)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill, net | 503,422,000 us-gaap_Goodwill | 500,441,000 us-gaap_Goodwill
Currency fluctuations | 3,000,000 us-gaap_GoodwillTranslationAdjustments |
Life Science [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 207,400,000 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = bio_LifeScienceMember | 207,700,000 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = bio_LifeScienceMember
Accumulated impairment loss | (27,200,000)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bio_LifeScienceMember | (27,200,000)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bio_LifeScienceMember
Goodwill, net | 180,200,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bio_LifeScienceMember | 180,500,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bio_LifeScienceMember
Currency fluctuations | (300,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = bio_LifeScienceMember |
Clinical Diagnostics [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 324,200,000 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = bio_ClinicalDiagnosticsMember | 320,900,000 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = bio_ClinicalDiagnosticsMember
Accumulated impairment loss | (1,000,000)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bio_ClinicalDiagnosticsMember | (1,000,000)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = bio_ClinicalDiagnosticsMember
Goodwill, net | 323,200,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bio_ClinicalDiagnosticsMember | 319,900,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bio_ClinicalDiagnosticsMember
Currency fluctuations | $ 3,300,000 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = bio_ClinicalDiagnosticsMember |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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